diff --git a/app/src/main/java/com/owenlejeune/tvtime/MainActivity.kt b/app/src/main/java/com/owenlejeune/tvtime/MainActivity.kt
index c86e510..979ac2b 100644
--- a/app/src/main/java/com/owenlejeune/tvtime/MainActivity.kt
+++ b/app/src/main/java/com/owenlejeune/tvtime/MainActivity.kt
@@ -4,12 +4,15 @@ import android.os.Bundle
 import androidx.activity.compose.setContent
 import androidx.compose.animation.rememberSplineBasedDecay
 import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.Scaffold
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
 import androidx.compose.ui.focus.FocusRequester
 import androidx.compose.ui.graphics.ColorFilter
 import androidx.compose.ui.input.nestedscroll.nestedScroll
@@ -27,6 +30,7 @@ import androidx.navigation.compose.composable
 import androidx.navigation.compose.currentBackStackEntryAsState
 import androidx.navigation.compose.rememberNavController
 import androidx.navigation.navArgument
+import com.google.accompanist.systemuicontroller.rememberSystemUiController
 import com.kieronquinn.monetcompat.app.MonetCompatActivity
 import com.owenlejeune.tvtime.extensions.WindowSizeClass
 import com.owenlejeune.tvtime.extensions.rememberWindowSizeClass
@@ -171,6 +175,9 @@ class MainActivity : MonetCompatActivity() {
         NavigationBar {
             BottomNavItem.Items.forEach { item ->
                 NavigationBarItem(
+                    modifier = Modifier
+                        .padding(4.dp)
+                        .clip(RoundedCornerShape(24.dp)),
                     icon = { Icon(painter = painterResource(id = item.icon), contentDescription = null) },
                     label = { Text(item.name) },
                     selected = currentRoute == item.route,
@@ -191,8 +198,8 @@ class MainActivity : MonetCompatActivity() {
         appBarTitle: MutableState<String>,
         item: BottomNavItem
     ) {
-        appBarTitle.value = item.name
         navigateToRoute(navController, item.route)
+        appBarTitle.value = item.name
     }
 
     private fun navigateToRoute(navController: NavController, route: String) {
diff --git a/app/src/main/java/com/owenlejeune/tvtime/OnboardingActivity.kt b/app/src/main/java/com/owenlejeune/tvtime/OnboardingActivity.kt
index 56dcf46..03fcddb 100644
--- a/app/src/main/java/com/owenlejeune/tvtime/OnboardingActivity.kt
+++ b/app/src/main/java/com/owenlejeune/tvtime/OnboardingActivity.kt
@@ -25,6 +25,7 @@ import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.lifecycle.lifecycleScope
 import com.google.accompanist.pager.*
+import com.google.accompanist.systemuicontroller.rememberSystemUiController
 import com.kieronquinn.monetcompat.app.MonetCompatActivity
 import com.owenlejeune.tvtime.extensions.launchActivity
 import com.owenlejeune.tvtime.preferences.AppPreferences
diff --git a/app/src/main/java/com/owenlejeune/tvtime/api/tmdb/TmdbClient.kt b/app/src/main/java/com/owenlejeune/tvtime/api/tmdb/TmdbClient.kt
index ef6f6f9..f1595ac 100644
--- a/app/src/main/java/com/owenlejeune/tvtime/api/tmdb/TmdbClient.kt
+++ b/app/src/main/java/com/owenlejeune/tvtime/api/tmdb/TmdbClient.kt
@@ -99,6 +99,9 @@ class TmdbClient: KoinComponent {
                     sessionIdParam = QueryParam("session_id", SessionManager.currentSession!!.sessionId)
                 } else if (preferences.authorizedSessionId.isNotEmpty()) {
                     sessionIdParam = QueryParam("session_id", preferences.authorizedSessionId)
+                } else if (preferences.authorizedSessionValues != null) {
+                    val sessionId = preferences.authorizedSessionValues!!.sessionId
+                    sessionIdParam = QueryParam("session_id", sessionId)
                 }
             }
             return sessionIdParam
@@ -113,16 +116,15 @@ class TmdbClient: KoinComponent {
                     builder.header("Authorization", "Bearer ${BuildConfig.TMDB_Api_v4Key}")
                 } else {
                     builder.header("Authorization", "Bearer ${SessionManager.currentSession!!.accessToken}")
+                    val locale = Locale.current
+                    val languageCode = "${locale.language}-${locale.region}"
+                    val languageParam = QueryParam("language", languageCode)
+
+                    val newUrl = url.newBuilder().addQueryParams(languageParam).build()
+                    builder.url(newUrl)
                 }
             }
 
-            val locale = Locale.current
-            val languageCode = "${locale.language}-${locale.region}"
-            val languageParam = QueryParam("language", languageCode)
-
-            val url = chain.request().url.newBuilder().addQueryParams(languageParam).build()
-            builder.url(url)
-
             return chain.proceed(builder.build())
         }
     }
diff --git a/app/src/main/java/com/owenlejeune/tvtime/api/tmdb/api/v4/AccountV4Api.kt b/app/src/main/java/com/owenlejeune/tvtime/api/tmdb/api/v4/AccountV4Api.kt
index e1fef5b..99ab459 100644
--- a/app/src/main/java/com/owenlejeune/tvtime/api/tmdb/api/v4/AccountV4Api.kt
+++ b/app/src/main/java/com/owenlejeune/tvtime/api/tmdb/api/v4/AccountV4Api.kt
@@ -12,28 +12,28 @@ import retrofit2.http.Path
 
 interface AccountV4Api {
 
-    @GET("/account/{account_id}/lists")
+    @GET("account/{account_id}/lists")
     suspend fun getLists(@Path("account_id") accountId: String, page: Int = 1): Response<V4AccountResponse<V4AccountList>>
 
-    @GET("/account/{account_id}/movie/favorites")
+    @GET("account/{account_id}/movie/favorites")
     suspend fun getFavoriteMovies(@Path("account_id") accountId: String, page: Int = 1): Response<V4AccountResponse<FavoriteMovie>>
 
-    @GET("/account/{account_id}/tv/favorites")
+    @GET("account/{account_id}/tv/favorites")
     suspend fun getFavoriteTvShows(@Path("account_id") accountId: String, page: Int = 1): Response<V4AccountResponse<FavoriteTvSeries>>
 
-    @GET("/account/{account_id}/movie/recommendations")
+    @GET("account/{account_id}/movie/recommendations")
     suspend fun getMovieRecommendations(@Path("account_id") accountId: String, page: Int = 1): Response<V4AccountResponse<FavoriteMovie>>
 
-    @GET("/account/{account_id}/tv/recommendations")
+    @GET("account/{account_id}/tv/recommendations")
     suspend fun getTvShowRecommendations(@Path("account_id") accountId: String, page: Int = 1): Response<V4AccountResponse<FavoriteTvSeries>>
 
-    @GET("/account/{account_id}/movie/watchlist")
+    @GET("account/{account_id}/movie/watchlist")
     suspend fun getMovieWatchlist(@Path("account_id") accountId: String, page: Int = 1): Response<V4AccountResponse<FavoriteMovie>>
 
-    @GET("/account/{account_id}/tv/watchlist")
+    @GET("account/{account_id}/tv/watchlist")
     suspend fun getTvShowWatchlist(@Path("account_id") accountId: String, page: Int = 1): Response<V4AccountResponse<FavoriteTvSeries>>
 
-    @GET("/account/{account_id}/movie/rated")
+    @GET("account/{account_id}/movie/rated")
     suspend fun getRatedMovies(@Path("account_id") accountId: String, page: Int = 1): Response<V4AccountResponse<V4RatedMovie>>
 
     @GET("account/{account_id}/tv/rated")
diff --git a/app/src/main/java/com/owenlejeune/tvtime/api/tmdb/api/v4/AuthenticationV4Api.kt b/app/src/main/java/com/owenlejeune/tvtime/api/tmdb/api/v4/AuthenticationV4Api.kt
index f485615..7e0a8b7 100644
--- a/app/src/main/java/com/owenlejeune/tvtime/api/tmdb/api/v4/AuthenticationV4Api.kt
+++ b/app/src/main/java/com/owenlejeune/tvtime/api/tmdb/api/v4/AuthenticationV4Api.kt
@@ -3,18 +3,21 @@ package com.owenlejeune.tvtime.api.tmdb.api.v4
 import com.owenlejeune.tvtime.api.tmdb.api.v3.model.StatusResponse
 import com.owenlejeune.tvtime.api.tmdb.api.v4.model.*
 import retrofit2.Response
+import retrofit2.http.Body
 import retrofit2.http.DELETE
+import retrofit2.http.HTTP
 import retrofit2.http.POST
 
 interface AuthenticationV4Api {
 
     @POST("auth/request_token")
-    suspend fun createRequestToken(body: AuthRequestBody): Response<AuthResponse>
+    suspend fun createRequestToken(@Body body: AuthRequestBody): Response<AuthResponse>
 
     @POST("auth/access_token")
-    suspend fun createAccessToken(body: AuthAccessBody): Response<AccessResponse>
+    suspend fun createAccessToken(@Body body: AuthAccessBody): Response<AccessResponse>
 
-    @DELETE("auth/access_token")
-    suspend fun deleteAccessToken(body: AuthDeleteBody): Response<StatusResponse>
+//    @DELETE("auth/access_token")
+    @HTTP(method = "DELETE", path = "auth/access_token", hasBody = true)
+    suspend fun deleteAccessToken(@Body body: AuthDeleteBody): Response<StatusResponse>
 
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/owenlejeune/tvtime/preferences/AppPreferences.kt b/app/src/main/java/com/owenlejeune/tvtime/preferences/AppPreferences.kt
index 88f4c3a..fd5027f 100644
--- a/app/src/main/java/com/owenlejeune/tvtime/preferences/AppPreferences.kt
+++ b/app/src/main/java/com/owenlejeune/tvtime/preferences/AppPreferences.kt
@@ -2,8 +2,10 @@ package com.owenlejeune.tvtime.preferences
 
 import android.content.Context
 import android.content.SharedPreferences
+import com.google.gson.Gson
 import com.kieronquinn.monetcompat.core.MonetCompat
 import com.owenlejeune.tvtime.BuildConfig
+import com.owenlejeune.tvtime.utils.SessionManager
 
 class AppPreferences(context: Context) {
 
@@ -15,11 +17,13 @@ class AppPreferences(context: Context) {
         private val HIDE_TITLE = "hide_title"
         private val GUEST_SESSION = "guest_session_id"
         private val AUTHORIZED_SESSION = "authorized_session_id"
+        private val AUTHORIZED_SESSION_VALUES = "authorized_session_values"
         private val FIRST_LAUNCH = "first_launch"
         private val FIRST_LAUNCH_TESTING = "first_launch_testing"
         private val CHROMA_MULTIPLIER = "chroma_multiplier"
         private val USE_SYSTEM_COLORS = "use_system_colors"
         private val SELECTED_COLOR = "selected_color"
+        private val USE_V4_API = "use_v4_api"
     }
 
     private val preferences: SharedPreferences = context.getSharedPreferences(PREF_FILE, Context.MODE_PRIVATE)
@@ -36,6 +40,12 @@ class AppPreferences(context: Context) {
         get() = preferences.getString(GUEST_SESSION, "") ?: ""
         set(value) { preferences.put(GUEST_SESSION, value) }
 
+    var authorizedSessionValues: SessionManager.AuthorizedSessionValues?
+        get() = preferences.getString(AUTHORIZED_SESSION_VALUES, null)?.let {
+            Gson().fromJson(it, SessionManager.AuthorizedSessionValues::class.java)
+        }
+        set(value) { preferences.putNullableString(AUTHORIZED_SESSION_VALUES, value?.let { Gson().toJson(value) }) }
+
     var authorizedSessionId: String
         get() = preferences.getString(AUTHORIZED_SESSION, "") ?: ""
         set(value) { preferences.put(AUTHORIZED_SESSION, value) }
@@ -64,6 +74,10 @@ class AppPreferences(context: Context) {
         get() = preferences.getInt(SELECTED_COLOR, Int.MAX_VALUE)
         set(value) { preferences.put(SELECTED_COLOR, value) }
 
+    var useV4Api: Boolean
+        get() = preferences.getBoolean(USE_V4_API, true)
+        set(value) { preferences.put(USE_V4_API, value) }
+
     private fun SharedPreferences.put(key: String, value: Any?) {
         edit().apply {
             when (value) {
@@ -79,25 +93,10 @@ class AppPreferences(context: Context) {
         }
     }
 
+    private fun SharedPreferences.putNullableString(key: String, value: String?) {
+        edit().putString(key, value).apply()
+    }
+
     class UnsupportedTypeError: Exception()
 
-//    private fun <T> SharedPreferences.get(key: String, java: Class<T>): T {
-//
-//    }
-//
-//    inner class PrefsMutableState<T>(val key: String): MutableState<T> {
-//        override var value: T
-//            get() = preferences.get(key, T::class.java)
-//            set(value) { preferences.put(key, value) }
-//
-//        override fun component1(): T {
-//            TODO("Not yet implemented")
-//        }
-//
-//        override fun component2(): (T) -> Unit {
-//            TODO("Not yet implemented")
-//        }
-//
-//    }
-
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/owenlejeune/tvtime/ui/navigation/BottomNavItem.kt b/app/src/main/java/com/owenlejeune/tvtime/ui/navigation/BottomNavItem.kt
index b67dc9c..fd8c654 100644
--- a/app/src/main/java/com/owenlejeune/tvtime/ui/navigation/BottomNavItem.kt
+++ b/app/src/main/java/com/owenlejeune/tvtime/ui/navigation/BottomNavItem.kt
@@ -20,7 +20,7 @@ sealed class BottomNavItem(stringRes: Int, val icon: Int, val route: String): Ko
                 Movies.route -> Movies
                 TV.route -> TV
                 Account.route -> Account
-                Favourites.route -> Favourites
+//                Favourites.route -> Favourites
                 Settings.route -> Settings
                 else -> null
             }
@@ -30,7 +30,7 @@ sealed class BottomNavItem(stringRes: Int, val icon: Int, val route: String): Ko
     object Movies: BottomNavItem(R.string.nav_movies_title, R.drawable.ic_movie, "movies_route")
     object TV: BottomNavItem(R.string.nav_tv_title, R.drawable.ic_tv, "tv_route")
     object Account: BottomNavItem(R.string.nav_account_title, R.drawable.ic_person, "account_route")
-    object Favourites: BottomNavItem(R.string.nav_favourites_title, R.drawable.ic_favorite, "favourites_route")
+//    object Favourites: BottomNavItem(R.string.nav_favourites_title, R.drawable.ic_favorite, "favourites_route")
     object Settings: BottomNavItem(R.string.nav_settings_title, R.drawable.ic_settings, "settings_route")
     object People: BottomNavItem(R.string.nav_people_title, R.drawable.ic_face, "people_route")
 
diff --git a/app/src/main/java/com/owenlejeune/tvtime/ui/navigation/Routes.kt b/app/src/main/java/com/owenlejeune/tvtime/ui/navigation/Routes.kt
index a37cea0..ad1cc3c 100644
--- a/app/src/main/java/com/owenlejeune/tvtime/ui/navigation/Routes.kt
+++ b/app/src/main/java/com/owenlejeune/tvtime/ui/navigation/Routes.kt
@@ -63,26 +63,26 @@ fun MainNavGraph(
     NavHost(navController = navController, startDestination = startDestination) {
         composable(BottomNavItem.Movies.route) {
             appBarActions.value = {}
-            MediaTab(appNavController = appNavController, mediaType = MediaViewType.MOVIE)
+            MediaTab(appBarTitle = appBarTitle, appNavController = appNavController, mediaType = MediaViewType.MOVIE)
         }
         composable(BottomNavItem.TV.route) {
             appBarActions.value = {}
-            MediaTab(appNavController = appNavController, mediaType = MediaViewType.TV)
+            MediaTab(appBarTitle = appBarTitle, appNavController = appNavController, mediaType = MediaViewType.TV)
         }
         composable(BottomNavItem.Account.route) {
             AccountTab(appBarTitle = appBarTitle, appNavController = appNavController, appBarActions = appBarActions)
         }
         composable(BottomNavItem.People.route) {
             appBarActions.value = {}
-            PeopleTab(appBarTitle, appNavController = appNavController)
-        }
-        composable(BottomNavItem.Favourites.route) {
-            appBarActions.value = {}
-            FavouritesTab()
+            PeopleTab(appBarTitle = appBarTitle, appNavController = appNavController)
         }
+//        composable(BottomNavItem.Favourites.route) {
+//            appBarActions.value = {}
+//            FavouritesTab()
+//        }
         composable(BottomNavItem.Settings.route) {
             appBarActions.value = {}
-            SettingsTab()
+            SettingsTab(appBarTitle = appBarTitle)
         }
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/AccountTab.kt b/app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/AccountTab.kt
index 568a511..571484b 100644
--- a/app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/AccountTab.kt
+++ b/app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/AccountTab.kt
@@ -8,10 +8,15 @@ import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.MoreVert
 import androidx.compose.material3.*
-import androidx.compose.runtime.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
@@ -24,7 +29,9 @@ import com.google.accompanist.pager.PagerState
 import com.google.accompanist.pager.rememberPagerState
 import com.owenlejeune.tvtime.R
 import com.owenlejeune.tvtime.api.tmdb.api.v3.model.*
-import com.owenlejeune.tvtime.ui.components.*
+import com.owenlejeune.tvtime.preferences.AppPreferences
+import com.owenlejeune.tvtime.ui.components.RoundedLetterImage
+import com.owenlejeune.tvtime.ui.components.SignInDialog
 import com.owenlejeune.tvtime.ui.navigation.AccountTabNavItem
 import com.owenlejeune.tvtime.ui.navigation.ListFetchFun
 import com.owenlejeune.tvtime.ui.navigation.MainNavItem
@@ -35,6 +42,8 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
+import org.koin.java.KoinJavaComponent
+import org.koin.java.KoinJavaComponent.get
 import kotlin.reflect.KClass
 
 private const val GUEST_SIGN_IN = "guest_sign_in"
@@ -51,11 +60,12 @@ fun AccountTab(
 ) {
     val lastSelectedOption = remember { mutableStateOf("") }
 
+    val lso = lastSelectedOption.value
     if (SessionManager.isV4SignInInProgress) {
+        appBarTitle.value = stringResource(id = R.string.account_not_logged_in)
+        AccountLoadingView()
         v4SignInPart2(lastSelectedOption)
-    }
-
-    if (appBarTitle.value == stringResource(id = R.string.nav_account_title)) {
+    } else {
         when (SessionManager.currentSession?.isAuthorized) {
             false -> {
                 appBarTitle.value =
@@ -75,33 +85,54 @@ fun AccountTab(
                 appBarTitle.value = stringResource(id = R.string.account_not_logged_in)
             }
         }
-    }
 
-    appBarActions.value = {
-        AccountDropdownMenu(session = SessionManager.currentSession, lastSelectedOption = lastSelectedOption)
-    }
-
-    SessionManager.currentSession?.let { session ->
-        val tabs = if (session.isAuthorized) {
-            AccountTabNavItem.AuthorizedItems
-        } else {
-            AccountTabNavItem.GuestItems
-        }
-
-        Column {
-            when(session.isAuthorized) {
-                true -> { AuthorizedSessionIcon() }
-                false -> { GuestSessionIcon() }
-            }
-
-            val pagerState = rememberPagerState()
-            ScrollableTabs(tabs = tabs, pagerState = pagerState)
-            AccountTabs(
-                appNavController = appNavController,
-                tabs = tabs,
-                pagerState = pagerState
+        appBarActions.value = {
+            AccountDropdownMenu(
+                session = SessionManager.currentSession,
+                lastSelectedOption = lastSelectedOption
             )
         }
+
+        if (!SessionManager.isV4SignInInProgress) {
+            SessionManager.currentSession?.let { session ->
+                val tabs = if (session.isAuthorized) {
+                    AccountTabNavItem.AuthorizedItems
+                } else {
+                    AccountTabNavItem.GuestItems
+                }
+
+                Column {
+                    when (session.isAuthorized) {
+                        true -> {
+                            AuthorizedSessionIcon()
+                        }
+                        false -> {
+                            GuestSessionIcon()
+                        }
+                    }
+
+                    val pagerState = rememberPagerState()
+                    ScrollableTabs(tabs = tabs, pagerState = pagerState)
+                    AccountTabs(
+                        appNavController = appNavController,
+                        tabs = tabs,
+                        pagerState = pagerState
+                    )
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun AccountLoadingView() {
+    Box(modifier = Modifier.fillMaxSize()) {
+        CircularProgressIndicator(
+            modifier = Modifier
+                .align(Alignment.Center)
+                .size(200.dp),
+            color = MaterialTheme.colorScheme.secondary
+        )
     }
 }
 
@@ -276,12 +307,17 @@ private fun AccountDropdownMenu(
 @Composable
 private fun AuthorizedSessionMenuItems(
     expanded: MutableState<Boolean>,
-    lastSelectedOption: MutableState<String>
+    lastSelectedOption: MutableState<String>,
+    preferences: AppPreferences = get(AppPreferences::class.java)
 ) {
     DropdownMenuItem(
         text = { Text(text = stringResource(id = R.string.action_sign_out)) },
         onClick = {
-            signOut(lastSelectedOption)
+            if (preferences.useV4Api) {
+                signOutV4(lastSelectedOption)
+            } else {
+                signOut(lastSelectedOption)
+            }
             expanded.value = false
         }
     )
@@ -320,7 +356,8 @@ private fun GuestSessionMenuItems(
 @Composable
 private fun NoSessionMenuItems(
     expanded: MutableState<Boolean>,
-    lastSelectedOption: MutableState<String>
+    lastSelectedOption: MutableState<String>,
+    preferences: AppPreferences = get(AppPreferences::class.java)
 ) {
     val showSignInDialog = remember { mutableStateOf(false) }
 
@@ -333,15 +370,18 @@ private fun NoSessionMenuItems(
         }
     }
 
-    DropdownMenuItem(
-        text = { Text(text = stringResource(id = R.string.action_sign_in)) },
-        onClick = { showSignInDialog.value = true }
-    )
-//    val context = LocalContext.current
-//    DropdownMenuItem(
-//        text = { Text(text = stringResource(id = R.string.action_sign_in)) },
-//        onClick = { v4SignInPart1(context) }
-//    )
+    if (!preferences.useV4Api) {
+        DropdownMenuItem(
+            text = { Text(text = stringResource(id = R.string.action_sign_in)) },
+            onClick = { showSignInDialog.value = true }
+        )
+    } else {
+        val context = LocalContext.current
+        DropdownMenuItem(
+            text = { Text(text = stringResource(id = R.string.action_sign_in)) },
+            onClick = { v4SignInPart1(context) }
+        )
+    }
 
     DropdownMenuItem(
         text = { Text(text = stringResource(id = R.string.action_sign_in_as_guest)) },
@@ -362,7 +402,9 @@ private fun v4SignInPart2(lastSelectedOption: MutableState<String>) {
     CoroutineScope(Dispatchers.IO).launch {
         val signIn = SessionManager.signInWithV4Part2()
         if (signIn)  {
-            lastSelectedOption.value = NO_SESSION_SIGN_IN
+            withContext(Dispatchers.Main) {
+                lastSelectedOption.value = NO_SESSION_SIGN_IN
+            }
         }
     }
 }
@@ -419,9 +461,21 @@ private fun createGuestSession(lastSelectedOption: MutableState<String>) {
 }
 
 private fun signOut(lastSelectedOption: MutableState<String>) {
-    SessionManager.clearSession { isSuccessful ->
-        if (isSuccessful) {
-            lastSelectedOption.value = SIGN_OUT
+    CoroutineScope(Dispatchers.IO).launch {
+        SessionManager.clearSession { isSuccessful ->
+            if (isSuccessful) {
+                lastSelectedOption.value = SIGN_OUT
+            }
+        }
+    }
+}
+
+private fun signOutV4(lastSelectedOption: MutableState<String>) {
+    CoroutineScope(Dispatchers.IO).launch {
+        SessionManager.clearSessionV4 { isSuccessful ->
+            if (isSuccessful) {
+                lastSelectedOption.value = SIGN_OUT
+            }
         }
     }
 }
diff --git a/app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/MediaTab.kt b/app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/MediaTab.kt
index 48a6b4d..2b7a62f 100644
--- a/app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/MediaTab.kt
+++ b/app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/MediaTab.kt
@@ -2,6 +2,8 @@ package com.owenlejeune.tvtime.ui.screens.main
 
 import androidx.compose.foundation.layout.Column
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
+import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.navigation.NavHostController
 import androidx.navigation.compose.rememberNavController
@@ -9,6 +11,7 @@ import com.google.accompanist.pager.ExperimentalPagerApi
 import com.google.accompanist.pager.HorizontalPager
 import com.google.accompanist.pager.PagerState
 import com.google.accompanist.pager.rememberPagerState
+import com.owenlejeune.tvtime.R
 import com.owenlejeune.tvtime.api.tmdb.api.v3.HomePageService
 import com.owenlejeune.tvtime.api.tmdb.api.v3.MoviesService
 import com.owenlejeune.tvtime.api.tmdb.api.v3.TvService
@@ -24,7 +27,17 @@ import kotlinx.coroutines.withContext
 
 @OptIn(ExperimentalPagerApi::class)
 @Composable
-fun MediaTab(appNavController: NavHostController, mediaType: MediaViewType) {
+fun MediaTab(
+    appBarTitle: MutableState<String>,
+    appNavController: NavHostController,
+    mediaType: MediaViewType
+) {
+    appBarTitle.value = when (mediaType) {
+        MediaViewType.MOVIE -> stringResource(id = R.string.nav_movies_title)
+        MediaViewType.TV -> stringResource(id = R.string.nav_tv_title)
+        else -> ""
+    }
+
     Column {
         val tabs = when (mediaType) {
             MediaViewType.MOVIE -> MediaTabNavItem.MovieItems
diff --git a/app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/PeopleTab.kt b/app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/PeopleTab.kt
index 4447fa3..71e2009 100644
--- a/app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/PeopleTab.kt
+++ b/app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/PeopleTab.kt
@@ -24,7 +24,7 @@ fun PeopleTab(
     appBarTitle: MutableState<String>,
     appNavController: NavHostController
 ) {
-//    appBarTitle.value = stringResource(id = R.string.nav_people_title)
+    appBarTitle.value = stringResource(id = R.string.nav_people_title)
 
     val service = PeopleService()
 
diff --git a/app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/SettingsTab.kt b/app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/SettingsTab.kt
index f10ee90..e922442 100644
--- a/app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/SettingsTab.kt
+++ b/app/src/main/java/com/owenlejeune/tvtime/ui/screens/main/SettingsTab.kt
@@ -40,7 +40,12 @@ import kotlinx.coroutines.launch
 import org.koin.java.KoinJavaComponent.get
 
 @Composable
-fun SettingsTab(preferences: AppPreferences = get(AppPreferences::class.java)) {
+fun SettingsTab(
+    appBarTitle: MutableState<String>,
+    preferences: AppPreferences = get(AppPreferences::class.java)
+) {
+    appBarTitle.value = stringResource(id = R.string.nav_settings_title)
+
     val scrollState = rememberScrollState()
 
     Column(
@@ -238,6 +243,7 @@ private fun WallpaperPicker(
 @Composable
 private fun DebugOptions(preferences: AppPreferences = get(AppPreferences::class.java)) {
     val context = LocalContext.current
+    val coroutineScope = rememberCoroutineScope()
 
     val firstLaunchTesting = remember { mutableStateOf(preferences.firstLaunchTesting) }
     SwitchPreference(
@@ -285,12 +291,29 @@ private fun DebugOptions(preferences: AppPreferences = get(AppPreferences::class
             .clickable(
                 onClick = {
                     preferences.guestSessionId = ""
-                    SessionManager.clearSession {
-                        Toast
-                            .makeText(context, "Cleared session: $it", Toast.LENGTH_SHORT)
-                            .show()
+                    coroutineScope.launch {
+                        SessionManager.clearSession {
+                            Toast
+                                .makeText(context, "Cleared session: $it", Toast.LENGTH_SHORT)
+                                .show()
+                        }
+                        SessionManager.clearSessionV4 {
+                            Toast
+                                .makeText(context, "Cleared session v4: $it", Toast.LENGTH_SHORT)
+                                .show()
+                        }
                     }
                 }
             )
     )
+
+    val useV4Api = remember { mutableStateOf(preferences.useV4Api) }
+    SwitchPreference(
+        titleText = "Use v4 API",
+        checkState = useV4Api.value,
+        onCheckedChange = { isChecked ->
+            useV4Api.value = isChecked
+            preferences.useV4Api = isChecked
+        }
+    )
 }
diff --git a/app/src/main/java/com/owenlejeune/tvtime/ui/theme/Theme.kt b/app/src/main/java/com/owenlejeune/tvtime/ui/theme/Theme.kt
index 39168bb..0589821 100644
--- a/app/src/main/java/com/owenlejeune/tvtime/ui/theme/Theme.kt
+++ b/app/src/main/java/com/owenlejeune/tvtime/ui/theme/Theme.kt
@@ -6,6 +6,7 @@ import androidx.compose.material.MaterialTheme
 import androidx.compose.material3.darkColorScheme
 import androidx.compose.material3.lightColorScheme
 import androidx.compose.runtime.Composable
+import com.google.accompanist.systemuicontroller.rememberSystemUiController
 import com.kieronquinn.monetcompat.core.MonetCompat
 
 private val DarkColorPalette = darkColorScheme(
@@ -127,7 +128,12 @@ fun TVTimeTheme(
                 isLight = !isDarkTheme
             ),
             shapes = Shapes,
-            content = content
+            content = {
+                val systemUiController = rememberSystemUiController()
+                systemUiController.setSystemBarsColor(color = androidx.compose.material3.MaterialTheme.colorScheme.background)
+
+                content()
+            }
         )
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/owenlejeune/tvtime/utils/SessionManager.kt b/app/src/main/java/com/owenlejeune/tvtime/utils/SessionManager.kt
index cb4b85a..8bd041f 100644
--- a/app/src/main/java/com/owenlejeune/tvtime/utils/SessionManager.kt
+++ b/app/src/main/java/com/owenlejeune/tvtime/utils/SessionManager.kt
@@ -3,6 +3,8 @@ package com.owenlejeune.tvtime.utils
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
+import android.widget.Toast
+import com.google.gson.annotations.SerializedName
 import com.owenlejeune.tvtime.R
 import com.owenlejeune.tvtime.api.tmdb.api.v3.AccountService
 import com.owenlejeune.tvtime.api.tmdb.api.v3.AuthenticationService
@@ -34,7 +36,13 @@ object SessionManager: KoinComponent {
     private val authenticationService by lazy { TmdbClient().createAuthenticationService() }
     private val authenticationV4Service by lazy { TmdbClient().createV4AuthenticationService() }
 
-    fun clearSession(onResponse: (isSuccessful: Boolean) -> Unit) {
+    class AuthorizedSessionValues(
+        @SerializedName("session_id") val sessionId: String,
+        @SerializedName("access_token") val accessToken: String,
+        @SerializedName("account_id") val accountId: String
+    )
+
+    suspend fun clearSession(onResponse: (isSuccessful: Boolean) -> Unit) {
         currentSession?.let { session ->
             CoroutineScope(Dispatchers.IO).launch {
                 val deleteResponse = authenticationService.deleteSession(SessionBody(session.sessionId))
@@ -42,7 +50,8 @@ object SessionManager: KoinComponent {
                     if (deleteResponse.isSuccessful) {
                         _currentSession = null
                         preferences.guestSessionId = ""
-                        preferences.authorizedSessionId = ""
+                        preferences.authorizedSessionValues = null
+//                        preferences.authorizedSessionId = ""
                     }
                     onResponse(deleteResponse.isSuccessful)
                 }
@@ -53,12 +62,13 @@ object SessionManager: KoinComponent {
     fun clearSessionV4(onResponse: (isSuccessful: Boolean) -> Unit) {
         currentSession?.let { session ->
             CoroutineScope(Dispatchers.IO).launch {
-                val deleteResponse = authenticationV4Service.deleteAccessToken(AuthDeleteBody(session.sessionId))
+                val deleteResponse = authenticationV4Service.deleteAccessToken(AuthDeleteBody(session.accessToken))
                 withContext(Dispatchers.Main) {
                     if (deleteResponse.isSuccessful) {
                         _currentSession = null
                         preferences.guestSessionId = ""
-                        preferences.authorizedSessionId = ""
+                        preferences.authorizedSessionValues = null
+//                        preferences.authorizedSessionId = ""
                     }
                     onResponse(deleteResponse.isSuccessful)
                 }
@@ -75,6 +85,16 @@ object SessionManager: KoinComponent {
             val session = AuthorizedSession()
             session.initialize()
             _currentSession = session
+        } else {
+            preferences.authorizedSessionValues?.let { values ->
+                val session = AuthorizedSession(
+                    sessionId = values.sessionId,
+                    accessToken = values.accessToken,
+                    accountId = values.accountId
+                )
+                session.initialize()
+                _currentSession = session
+            }
         }
     }
 
@@ -104,6 +124,7 @@ object SessionManager: KoinComponent {
                                     if (sr.isSuccess) {
                                         preferences.authorizedSessionId = sr.sessionId
                                         preferences.guestSessionId = ""
+                                        preferences.authorizedSessionValues = null
                                         _currentSession = AuthorizedSession()
                                         _currentSession?.initialize()
                                         return true
@@ -122,7 +143,7 @@ object SessionManager: KoinComponent {
         isV4SignInInProgress = true
 
         val service = AuthenticationV4Service()
-        val requestTokenResponse = service.createRequestToken(AuthRequestBody(redirect = ""))
+        val requestTokenResponse = service.createRequestToken(AuthRequestBody(redirect = "app://tvtime.auth.return"))
         if (requestTokenResponse.isSuccessful) {
             requestTokenResponse.body()?.let { ctr ->
                 _currentSession = InProgressSession(ctr.requestToken)
@@ -147,20 +168,23 @@ object SessionManager: KoinComponent {
                         val sessionResponse = authenticationService.createSessionFromV4Token(V4TokenBody(ar.accessToken))
                         if (sessionResponse.isSuccessful) {
                             sessionResponse.body()?.let { sr ->
-                                preferences.authorizedSessionId = sr.sessionId
+                                preferences.authorizedSessionValues = AuthorizedSessionValues(
+                                    sessionId = sr.sessionId,
+                                    accountId = ar.accountId,
+                                    accessToken = ar.accessToken
+                                )
+                                preferences.authorizedSessionId = ""
                                 preferences.guestSessionId = ""
-                                _currentSession = AuthorizedSession(accessToken = ar.accessToken, accountId = ar.accountId)
+                                _currentSession = AuthorizedSession(
+                                    sessionId = sr.sessionId,
+                                    accessToken = ar.accessToken,
+                                    accountId = ar.accountId
+                                )
                                 _currentSession?.initialize()
                                 isV4SignInInProgress = false
                                 return true
                             }
                         }
-//                        preferences.authorizedSessionId = ar.accessToken
-//                        preferences.guestSessionId = ""
-//                        _currentSession = AuthorizedSession()
-//                        _currentSession?.initialize()
-//                        isV4SignInInProgress = false
-//                        return true
                     }
                 }
             }
@@ -275,7 +299,11 @@ object SessionManager: KoinComponent {
 
     }
 
-    private class AuthorizedSession(accessToken: String = "", accountId: String = ""): Session(preferences.authorizedSessionId, true, accessToken, accountId) {
+    private class AuthorizedSession(
+        sessionId: String = preferences.authorizedSessionId,
+        accessToken: String = "",
+        accountId: String = ""
+    ): Session(sessionId, true, accessToken, accountId) {
         private val service by lazy { AccountService() }
 
         override suspend fun initialize() {
@@ -286,14 +314,14 @@ object SessionManager: KoinComponent {
             if (changed.contains(Changed.AccountDetails)) {
                 service.getAccountDetails().apply {
                     if (isSuccessful) {
-                        withContext(Dispatchers.Main) {
+//                        withContext(Dispatchers.Main) {
                             _accountDetails = body() ?: _accountDetails
                             accountDetails?.let {
-                                CoroutineScope(Dispatchers.IO).launch {
+//                                CoroutineScope(Dispatchers.IO).launch {
                                     refreshWithAccountId(it.id, changed)
-                                }
+//                                }
                             }
-                        }
+//                        }
                     }
                 }
             } else if (accountDetails != null) {